Home / 36,860.48-50,868-20,945.28

Finding the Fourth Proportional to 36,860.48, 50,868 and 20,945.28

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Solution

The fourth proportional to 36,860.48, 50,868 and 20,945.28 is: 28,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,860.48 : 50,868 = 20,945.28 : x
  2. Step 2: Convert to fraction form
    36,860.48/50,868 = 20,945.28/x
  3. Step 3: Cross multiply
    36,860.48x = 50,868 × 20,945.28
  4. Step 4: Simplify right side
    36,860.48x = 1,065,444,503.04
  5. Step 5: Solve for x
    x = 1,065,444,503.04/36,860.48
  6. Step 6: Final answer
    x = 28,904.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.